water-supply

Discusses causes of and possible solutions to the water crisis.

Learn where our water comes from and how it is renewed through the hydrologic cycle. Witness efforts to conserve and protect water resources in the Great Lakes, southern Florida, and elsewhere.

Discusses the world's finite supply of water as it circulates through the water cycle. Describes how people use water to do work, how people can conserve water, and why it's important.

Discusses the sources of the world's water supply, methods of getting water from its source to where its needed, the dangers of pollution, and the need for conservation.

Presents a discussion of the environmental, economic, and health effects of water pollution and scarcity, and covers conservation efforts and measures such as the Clean Water Act of 1972 and the construction of desalination plants, with commentary by experts and noteworthy case studies.

Explores how the waters of the Great Lakes are used by, and diverted from, the people who live in their basin, explains how those uses are endangering the lakes' water supplies, and offers practical suggestions for preserving the lakes and the surrounding regions.